/* RM UPI QR — shared styles
   Design concept: a shop-counter ticket/till, not a SaaS dashboard. */

@font-face {
  font-family: "Montserrat";
  src: url("/assets/fonts/montserrat-latin-400-normal.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Montserrat";
  src: url("/assets/fonts/montserrat-latin-500-normal.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Montserrat";
  src: url("/assets/fonts/montserrat-latin-600-normal.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Montserrat";
  src: url("/assets/fonts/montserrat-latin-700-normal.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

:root {
  --paper: #f6f5f1;
  --surface: #ffffff;
  --ink: #1a2420;
  --steel: #4a5a64;
  --steel-quiet: #7c8a91;
  --brass: #b8842e;
  --brass-strong: #8f6520;
  --green: #2f7d5b;
  --green-quiet: #e4efe9;
  --red: #b8452f;
  --red-quiet: #f5e6e1;
  --line: #ddd8cd;
  --shadow: 0 1px 0 rgba(26, 36, 32, 0.06);
  --radius: 14px;
  --radius-sm: 8px;
  color-scheme: light;
}

:root[data-theme="dark"] {
  --paper: #14181a;
  --surface: #1c2224;
  --ink: #ede9e0;
  --steel: #a4b0b3;
  --steel-quiet: #6c7a7d;
  --brass: #d9a750;
  --brass-strong: #f0c274;
  --green: #55b78c;
  --green-quiet: #1e2f28;
  --red: #e2836a;
  --red-quiet: #33221d;
  --line: #2c3336;
  --shadow: 0 1px 0 rgba(0, 0, 0, 0.3);
  color-scheme: dark;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #14181a;
    --surface: #1c2224;
    --ink: #ede9e0;
    --steel: #a4b0b3;
    --steel-quiet: #6c7a7d;
    --brass: #d9a750;
    --brass-strong: #f0c274;
    --green: #55b78c;
    --green-quiet: #1e2f28;
    --red: #e2836a;
    --red-quiet: #33221d;
    --line: #2c3336;
    --shadow: 0 1px 0 rgba(0, 0, 0, 0.3);
    color-scheme: dark;
  }
}

* {
  box-sizing: border-box;
}

html {
  scroll-padding-top: env(safe-area-inset-top, 0px);
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Montserrat", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  padding-top: env(safe-area-inset-top, 0px);
  padding-bottom: env(safe-area-inset-bottom, 0px);
  padding-left: env(safe-area-inset-left, 0px);
  padding-right: env(safe-area-inset-right, 0px);
  transition: background-color 0.2s ease, color 0.2s ease;
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}

.mono {
  font-family: "Montserrat", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-variant-numeric: tabular-nums;
  font-weight: 600;
}

button {
  font-family: inherit;
}

a {
  color: inherit;
}

/* ---------- Top bar ---------- */

.topbar {
  position: sticky;
  top: env(safe-area-inset-top, 0px);
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

.wordmark {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: var(--ink);
  min-width: 0;
}

.wordmark .brand-name {
  font-weight: 700;
  font-size: 21px;
  line-height: 1.2;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.wordmark .brand-loc {
  font-weight: 500;
  font-size: 11.5px;
  line-height: 1.3;
  color: var(--steel);
  margin-top: 1px;
  white-space: nowrap;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 0 0 auto;
}

.icon-btn {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 10px;
  color: var(--ink);
  cursor: pointer;
}

.icon-btn svg {
  width: 19px;
  height: 19px;
}

.icon-btn:active {
  transform: scale(0.94);
}

.text-link {
  font-size: 14px;
  color: var(--steel);
  text-decoration: none;
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
}

.text-link:active {
  transform: scale(0.97);
}

/* ---------- Page shell ---------- */

main {
  max-width: 420px;
  margin: 0 auto;
  padding: 24px 20px 48px;
  min-height: calc(100vh - 73px);
  display: flex;
  flex-direction: column;
}

/* ---------- Ticket panel (home) ---------- */

.ticket {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  position: relative;
}

.ticket::before {
  content: "";
  display: block;
  height: 3px;
  background: var(--brass);
}

.readout {
  padding: 40px 24px 28px;
  text-align: center;
  border-bottom: 1px dashed var(--line);
}

.readout .label {
  font-size: 13px;
  color: var(--steel-quiet);
  margin-bottom: 10px;
}

.readout .amount {
  font-size: 46px;
  font-weight: 500;
  line-height: 1.1;
  word-break: break-all;
}

.readout .amount .rupee {
  color: var(--brass);
  margin-right: 4px;
}

.readout .amount .caret {
  display: inline-block;
  width: 2px;
  height: 0.85em;
  background: var(--brass);
  margin-left: 2px;
  vertical-align: -0.1em;
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

.keypad {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
}

.keypad button {
  background: var(--surface);
  border: none;
  padding: 18px 0;
  font-size: 22px;
  color: var(--ink);
  cursor: pointer;
  min-height: 56px;
}

.keypad button:active {
  background: var(--paper);
}

.keypad button.fn {
  font-size: 16px;
  color: var(--steel);
}

.ticket-footer {
  padding: 18px;
}

.primary-btn {
  width: 100%;
  border: none;
  border-radius: 10px;
  background: var(--brass);
  color: #1a1204;
  font-weight: 600;
  font-size: 16px;
  padding: 16px;
  cursor: pointer;
}

.primary-btn:disabled {
  background: var(--line);
  color: var(--steel-quiet);
  cursor: not-allowed;
}

.primary-btn:not(:disabled):active {
  background: var(--brass-strong);
}

.ghost-btn {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: transparent;
  color: var(--ink);
  font-weight: 500;
  font-size: 15px;
  padding: 14px;
  cursor: pointer;
}

.ghost-btn:active {
  background: var(--paper);
}

/* ---------- QR result ---------- */

.qr-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  text-align: center;
}

.qr-panel::before {
  content: "";
  display: block;
  height: 3px;
  background: var(--green);
}

.qr-panel .qr-head {
  padding: 24px 20px 8px;
}

.qr-panel .qr-amount {
  font-size: 32px;
  font-weight: 500;
}

.qr-panel .qr-payee {
  margin-top: 4px;
  font-size: 13.5px;
  color: var(--steel);
}

.qr-canvas-wrap {
  padding: 18px;
  display: flex;
  justify-content: center;
}

.qr-canvas-wrap canvas {
  border-radius: 10px;
  max-width: 100%;
  height: auto;
}

.qr-vpa {
  font-size: 12.5px;
  color: var(--steel);
  padding: 0 20px 20px;
  word-break: break-all;
}

.qr-actions {
  display: grid;
  gap: 10px;
  padding: 0 18px 18px;
}

.save-note {
  font-size: 12px;
  padding: 10px 18px 18px;
  color: var(--steel-quiet);
}

.save-note.error {
  color: var(--red);
}

/* ---------- Modal ---------- */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(20, 24, 22, 0.5);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  z-index: 50;
  padding: 0;
}

@media (min-width: 480px) {
  .modal-backdrop {
    align-items: center;
    padding: 20px;
  }
}

.modal {
  background: var(--surface);
  width: 100%;
  max-width: 400px;
  border-radius: 18px 18px 0 0;
  padding: 26px 24px calc(24px + env(safe-area-inset-bottom, 0px));
  border-top: 1px solid var(--line);
}

@media (min-width: 480px) {
  .modal {
    border-radius: var(--radius);
    padding: 26px 24px;
  }
}

.modal h2 {
  margin: 0 0 16px;
  font-size: 18px;
  font-weight: 600;
}

.modal .confirm-amount {
  font-size: 34px;
  font-weight: 500;
  margin-bottom: 10px;
}

.modal .confirm-words {
  font-size: 14px;
  line-height: 1.5;
  color: var(--steel);
  padding-bottom: 18px;
  border-bottom: 1px dashed var(--line);
  margin-bottom: 18px;
}

.modal-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

/* ---------- Toast ---------- */

.toast {
  position: fixed;
  left: 50%;
  bottom: calc(24px + env(safe-area-inset-bottom, 0px));
  transform: translateX(-50%) translateY(12px);
  background: var(--ink);
  color: var(--paper);
  font-size: 13.5px;
  padding: 11px 18px;
  border-radius: 10px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 60;
  max-width: 88vw;
  text-align: center;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ---------- History page ---------- */

.date-rail {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  margin-bottom: 20px;
  scrollbar-width: none;
}

.date-rail::-webkit-scrollbar {
  display: none;
}

.date-chip {
  flex: 0 0 auto;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 12px;
  padding: 10px 14px;
  cursor: pointer;
  text-align: left;
  min-width: 96px;
}

.date-chip .d-label {
  font-size: 12.5px;
  color: var(--steel);
}

.date-chip .d-total {
  font-family: "Montserrat", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-variant-numeric: tabular-nums;
  font-size: 14.5px;
  font-weight: 600;
  margin-top: 3px;
}

.date-chip.active {
  border-color: var(--brass);
  background: var(--green-quiet);
}

.date-chip.active .d-total {
  color: var(--green);
}

.summary-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 18px;
}

.summary-card .s-label {
  font-size: 13px;
  color: var(--steel-quiet);
}

.summary-card .s-total {
  font-size: 34px;
  font-weight: 500;
  margin-top: 4px;
}

.summary-card .s-meta {
  margin-top: 10px;
  font-size: 12.5px;
  color: var(--steel);
  display: flex;
  gap: 14px;
}

.txn-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.txn-row {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.txn-info {
  flex: 1;
  min-width: 0;
}

.txn-amount {
  font-size: 17px;
  font-weight: 600;
}

.txn-meta {
  font-size: 12px;
  color: var(--steel);
  margin-top: 2px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.txn-status {
  display: flex;
  gap: 6px;
  flex: 0 0 auto;
}

.status-btn {
  border: 1px solid var(--line);
  background: transparent;
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 12px;
  color: var(--steel);
  cursor: pointer;
  min-width: 44px;
}

.status-btn.done.active {
  background: var(--green-quiet);
  border-color: var(--green);
  color: var(--green);
}

.status-btn.ignore.active {
  background: var(--red-quiet);
  border-color: var(--red);
  color: var(--red);
}

.empty-state {
  text-align: center;
  padding: 48px 16px;
  color: var(--steel-quiet);
  font-size: 14px;
}

.skeleton {
  text-align: center;
  padding: 48px 16px;
  color: var(--steel-quiet);
  font-size: 14px;
}

.hidden {
  display: none !important;
}

:focus-visible {
  outline: 2px solid var(--brass);
  outline-offset: 2px;
}